1 files changed, 0 insertions, 458 deletions

diff --git a/source4/libcli/composite/sesssetup.c b/source4/libcli/composite/sesssetup.c
deleted file mode 100644
index 3bd9ed285d..0000000000
--- a/source4/libcli/composite/sesssetup.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-
-   Copyright (C) Andrew Tridgell 2005
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-/*
-  a composite API for making handling a generic async session setup
-*/
-
-#include "includes.h"
-#include "libcli/raw/libcliraw.h"
-#include "libcli/composite/composite.h"
-#include "auth/auth.h"
-#include "version.h"
-
-struct sesssetup_state {
-	union smb_sesssetup setup;
-	NTSTATUS gensec_status;
-	struct smb_composite_sesssetup *io;
-	struct smbcli_request *req;
-};
-
-
-/*
-  form an encrypted lanman password from a plaintext password
-  and the server supplied challenge
-*/
-static DATA_BLOB lanman_blob(TALLOC_CTX *mem_ctx, const char *pass, DATA_BLOB challenge)
-{
-	DATA_BLOB blob = data_blob_talloc(mem_ctx, NULL, 24);
-	SMBencrypt(pass, challenge.data, blob.data);
-	return blob;
-}
-
-/*
-  form an encrypted NT password from a plaintext password
-  and the server supplied challenge
-*/
-static DATA_BLOB nt_blob(TALLOC_CTX *mem_ctx, const struct samr_Password *nt_hash, DATA_BLOB challenge)
-{
-	DATA_BLOB blob = data_blob_talloc(mem_ctx, NULL, 24);
-	SMBOWFencrypt(nt_hash->hash, challenge.data, blob.data);
-	return blob;
-}
-
-/*
-  store the user session key for a transport
-*/
-static void set_user_session_key(struct smbcli_session *session,
-				 const DATA_BLOB *session_key)
-{
-	session->user_session_key = data_blob_talloc(session, 
-						     session_key->data, 
-						     session_key->length);
-}
-
-/*
-  handler for completion of a smbcli_request sub-request
-*/
-static void request_handler(struct smbcli_request *req)
-{
-	struct composite_context *c = req->async.private;
-	struct sesssetup_state *state = talloc_get_type(c->private, struct sesssetup_state);
-	struct smbcli_session *session = req->session;
-	DATA_BLOB session_key = data_blob(NULL, 0);
-	DATA_BLOB null_data_blob = data_blob(NULL, 0);
-	NTSTATUS session_key_err;
-
-	c->status = smb_raw_sesssetup_recv(req, state, &state->setup);
-
-	switch (state->setup.old.level) {
-	case RAW_SESSSETUP_OLD:
-		state->io->out.vuid = state->setup.old.out.vuid;
-		break;
-
-	case RAW_SESSSETUP_NT1:
-		state->io->out.vuid = state->setup.nt1.out.vuid;
-		break;
-
-	case RAW_SESSSETUP_SPNEGO:
-		session->vuid = state->io->out.vuid = state->setup.spnego.out.vuid;
-		if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) && 
-		    !NT_STATUS_IS_OK(c->status)) {
-			break;
-		}
-		if (NT_STATUS_EQUAL(state->gensec_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
-
-			/* The status value here, from the earlier pass at GENSEC is
-			 * vital to the security of the system.  Even if the other end
-			 * accepts, if GENSEC claims 'MORE_PROCESSING_REQUIRED' then
-			 * you must keep feeding it blobs, or else the remote
-			 * host/attacker might avoid mutal authentication
-			 * requirements */
-			
-			state->gensec_status = gensec_update(session->gensec, state,
-							 state->setup.spnego.out.secblob,
-							 &state->setup.spnego.in.secblob);
-			c->status = state->gensec_status;
-			if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) && 
-			    !NT_STATUS_IS_OK(c->status)) {
-				break;
-			}
-		} else {
-			state->setup.spnego.in.secblob = data_blob(NULL, 0);
-		}
-			
-		/* we need to do another round of session setup. We keep going until both sides
-		   are happy */
-		session_key_err = gensec_session_key(session->gensec, &session_key);
-		if (NT_STATUS_IS_OK(session_key_err)) {
-			set_user_session_key(session, &session_key);
-			smbcli_transport_simple_set_signing(session->transport, session_key, null_data_blob);
-		}
-
-		if (state->setup.spnego.in.secblob.length) {
-			state->req = smb_raw_sesssetup_send(session, &state->setup);
-			state->req->async.fn = request_handler;
-			state->req->async.private = c;
-			return;
-		}
-	}
-
-	/* enforce the local signing required flag */
-	if (NT_STATUS_IS_OK(c->status) && !cli_credentials_is_anonymous(state->io->in.credentials)) {
-		if (!session->transport->negotiate.sign_info.doing_signing 
-		    && session->transport->negotiate.sign_info.mandatory_signing) {
-			DEBUG(0, ("SMB signing required, but server does not support it\n"));
-			c->status = NT_STATUS_ACCESS_DENIED;
-		}
-	}
-
-	if (NT_STATUS_IS_OK(c->status)) {
-		c->state = SMBCLI_REQUEST_DONE;
-	} else {
-		c->state = SMBCLI_REQUEST_ERROR;
-	}
-	if (c->async.fn) {
-		c->async.fn(c);
-	}
-}
-
-
-/*
-  send a nt1 style session setup
-*/
-static NTSTATUS session_setup_nt1(struct composite_context *c,
-				  struct smbcli_session *session, 
-				  struct smb_composite_sesssetup *io,
-				  struct smbcli_request **req) 
-{
-	struct sesssetup_state *state = talloc_get_type(c->private, struct sesssetup_state);
-	const struct samr_Password *nt_hash = cli_credentials_get_nt_hash(io->in.credentials, state);
-	const char *password = cli_credentials_get_password(io->in.credentials);
-
-	state->setup.nt1.level           = RAW_SESSSETUP_NT1;
-	state->setup.nt1.in.bufsize      = session->transport->options.max_xmit;
-	state->setup.nt1.in.mpx_max      = session->transport->options.max_mux;
-	state->setup.nt1.in.vc_num       = 1;
-	state->setup.nt1.in.sesskey      = io->in.sesskey;
-	state->setup.nt1.in.capabilities = io->in.capabilities;
-	state->setup.nt1.in.os           = "Unix";
-	state->setup.nt1.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
-	cli_credentials_get_ntlm_username_domain(io->in.credentials, state, 
-						 &state->setup.nt1.in.user,
-						 &state->setup.nt1.in.domain);
-
-	if (!password) {
-		state->setup.nt1.in.password1 = data_blob(NULL, 0);
-		state->setup.nt1.in.password2 = data_blob(NULL, 0);
-	} else if (session->transport->negotiate.sec_mode & 
-		   NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
-		DATA_BLOB session_key;
-		if (lp_client_ntlmv2_auth()) {
-			DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, lp_netbios_name(), lp_workgroup());
-			DATA_BLOB lmv2_response, ntlmv2_response, lmv2_session_key;
-			
-			if (!SMBNTLMv2encrypt_hash(state, 
-						   state->setup.nt1.in.user, state->setup.nt1.in.domain, 
-						   nt_hash->hash, &session->transport->negotiate.secblob,
-						   &names_blob,
-						   &lmv2_response, &ntlmv2_response, 
-						   &lmv2_session_key, &session_key)) {
-				data_blob_free(&names_blob);
-				return NT_STATUS_NO_MEMORY;
-			}
-			data_blob_free(&names_blob);
-			state->setup.nt1.in.password1 = lmv2_response;
-			state->setup.nt1.in.password2 = ntlmv2_response;
-			
-			smbcli_transport_simple_set_signing(session->transport, session_key, 
-							    state->setup.nt1.in.password2);
-			set_user_session_key(session, &session_key);
-			
-			data_blob_free(&lmv2_session_key);
-			data_blob_free(&session_key);
-		} else {
-
-			state->setup.nt1.in.password2 = nt_blob(state, nt_hash,
-								session->transport->negotiate.secblob);
-			if (lp_client_lanman_auth()) {
-				state->setup.nt1.in.password1 = lanman_blob(state, password, 
-									    session->transport->negotiate.secblob);
-			} else {
-				/* if not sending the LM password, send the NT password twice */
-				state->setup.nt1.in.password1 = state->setup.nt1.in.password2;
-			}
-
-			session_key = data_blob_talloc(session, NULL, 16);
-			SMBsesskeygen_ntv1(nt_hash->hash, session_key.data);
-			smbcli_transport_simple_set_signing(session->transport, session_key, 
-							    state->setup.nt1.in.password2);
-			set_user_session_key(session, &session_key);
-			
-			data_blob_free(&session_key);
-		}
-
-	} else if (lp_client_plaintext_auth()) {
-		state->setup.nt1.in.password1 = data_blob_talloc(state, password, strlen(password));
-		state->setup.nt1.in.password2 = data_blob(NULL, 0);
-	} else {
-		/* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
-		return NT_STATUS_INVALID_PARAMETER;
-	}
-
-	*req = smb_raw_sesssetup_send(session, &state->setup);
-	if (!*req) {
-		return NT_STATUS_NO_MEMORY;
-	}
-	return (*req)->status;
-}
-
-
-/*
-  old style session setup (pre NT1 protocol level)
-*/
-static NTSTATUS session_setup_old(struct composite_context *c,
-				  struct smbcli_session *session, 
-				  struct smb_composite_sesssetup *io,
-				  struct smbcli_request **req) 
-{
-	struct sesssetup_state *state = talloc_get_type(c->private, struct sesssetup_state);
-	const char *password = cli_credentials_get_password(io->in.credentials);
-
-	state->setup.old.level      = RAW_SESSSETUP_OLD;
-	state->setup.old.in.bufsize = session->transport->options.max_xmit;
-	state->setup.old.in.mpx_max = session->transport->options.max_mux;
-	state->setup.old.in.vc_num  = 1;
-	state->setup.old.in.sesskey = io->in.sesskey;
-	state->setup.old.in.os      = "Unix";
-	state->setup.old.in.lanman  = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
-	cli_credentials_get_ntlm_username_domain(io->in.credentials, state, 
-						 &state->setup.old.in.user,
-						 &state->setup.old.in.domain);
-	
-	if (!password) {
-		state->setup.old.in.password = data_blob(NULL, 0);
-	} else if (session->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
-		state->setup.old.in.password = lanman_blob(state, password, 
-							   session->transport->negotiate.secblob);
-	} else {
-		state->setup.old.in.password = data_blob_talloc(state,
-								password, 
-								strlen(password));
-	}
-	
-	*req = smb_raw_sesssetup_send(session, &state->setup);
-	if (!*req) {
-		return NT_STATUS_NO_MEMORY;
-	}
-	return (*req)->status;
-}
-
-
-/*
-  Modern, all singing, all dancing extended security (and possibly SPNEGO) request
-*/
-static NTSTATUS session_setup_spnego(struct composite_context *c,
-				     struct smbcli_session *session, 
-				     struct smb_composite_sesssetup *io,
-				     struct smbcli_request **req) 
-{
-	struct sesssetup_state *state = talloc_get_type(c->private, struct sesssetup_state);
-	NTSTATUS status, session_key_err;
-	DATA_BLOB session_key = data_blob(NULL, 0);
-	DATA_BLOB null_data_blob = data_blob(NULL, 0);
-	const char *chosen_oid = NULL;
-
-	state->setup.spnego.level           = RAW_SESSSETUP_SPNEGO;
-	state->setup.spnego.in.bufsize      = session->transport->options.max_xmit;
-	state->setup.spnego.in.mpx_max      = session->transport->options.max_mux;
-	state->setup.spnego.in.vc_num       = 1;
-	state->setup.spnego.in.sesskey      = io->in.sesskey;
-	state->setup.spnego.in.capabilities = io->in.capabilities;
-	state->setup.spnego.in.os           = "Unix";
-	state->setup.spnego.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
-	state->setup.spnego.in.workgroup    = io->in.workgroup;
-
-	state->setup.spnego.out.vuid        = session->vuid;
-
-	smbcli_temp_set_signing(session->transport);
-
-	status = gensec_client_start(session, &session->gensec, c->event_ctx);
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed to start GENSEC client mode: %s\n", nt_errstr(status)));
-		return status;
-	}
-
-	gensec_want_feature(session->gensec, GENSEC_FEATURE_SESSION_KEY);
-
-	status = gensec_set_credentials(session->gensec, io->in.credentials);
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed to start set GENSEC client credentails: %s\n", 
-			  nt_errstr(status)));
-		return status;
-	}
-
-	status = gensec_set_target_hostname(session->gensec, session->transport->socket->hostname);
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed to start set GENSEC target hostname: %s\n", 
-			  nt_errstr(status)));
-		return status;
-	}
-
-	status = gensec_set_target_service(session->gensec, "cifs");
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed to start set GENSEC target service: %s\n", 
-			  nt_errstr(status)));
-		return status;
-	}
-
-	if (session->transport->negotiate.secblob.length) {
-		chosen_oid = GENSEC_OID_SPNEGO;
-	} else {
-		/* without a sec blob, means raw NTLMSSP */
-		chosen_oid = GENSEC_OID_NTLMSSP;
-	}
-
-	status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed to start set GENSEC client SPNEGO mechanism %s: %s\n",
-			  gensec_get_name_by_oid(chosen_oid), nt_errstr(status)));
-		return status;
-	}
-	
-	status = gensec_update(session->gensec, state,
-			       session->transport->negotiate.secblob,
-			       &state->setup.spnego.in.secblob);
-	if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) && 
-	    !NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Failed initial gensec_update with mechanism %s: %s\n",
-			  gensec_get_name_by_oid(chosen_oid), nt_errstr(status)));
-		return status;
-	}
-	state->gensec_status = status;
-
-	session_key_err = gensec_session_key(session->gensec, &session_key);
-	if (NT_STATUS_IS_OK(session_key_err)) {
-		smbcli_transport_simple_set_signing(session->transport, session_key, null_data_blob);
-	}
-
-	*req = smb_raw_sesssetup_send(session, &state->setup);
-	if (!*req) {
-		return NT_STATUS_NO_MEMORY;
-	}
-	return (*req)->status;
-}
-
-
-/*
-  composite session setup function that hides the details of all the
-  different session setup varients, including the multi-pass nature of
-  the spnego varient
-*/
-struct composite_context *smb_composite_sesssetup_send(struct smbcli_session *session, 
-						       struct smb_composite_sesssetup *io)
-{
-	struct composite_context *c;
-	struct sesssetup_state *state;
-	NTSTATUS status;
-
-	c = talloc_zero(session, struct composite_context);
-	if (c == NULL) return NULL;
-
-	state = talloc(c, struct sesssetup_state);
-	if (state == NULL) {
-		c->state = SMBCLI_REQUEST_ERROR;
-		c->status = NT_STATUS_NO_MEMORY;
-	}
-
-	state->io = io;
-
-	c->state = SMBCLI_REQUEST_SEND;
-	c->private = state;
-	c->event_ctx = session->transport->socket->event.ctx;
-
-	/* no session setup at all in earliest protocol varients */
-	if (session->transport->negotiate.protocol < PROTOCOL_LANMAN1) {
-		ZERO_STRUCT(io->out);
-		c->state = SMBCLI_REQUEST_DONE;
-		return c;
-	}
-
-	/* see what session setup interface we will use */
-	if (session->transport->negotiate.protocol < PROTOCOL_NT1) {
-		status = session_setup_old(c, session, io, &state->req);
-	} else if (!session->transport->options.use_spnego ||
-		   !(io->in.capabilities & CAP_EXTENDED_SECURITY)) {
-		status = session_setup_nt1(c, session, io, &state->req);
-	} else {
-		status = session_setup_spnego(c, session, io, &state->req);
-	}
-
-	if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) || 
-	    NT_STATUS_IS_OK(status)) {
-		state->req->async.fn = request_handler;
-		state->req->async.private = c;
-		return c;
-	}
-
-	c->state = SMBCLI_REQUEST_ERROR;
-	c->status = status;
-	return c;
-}
-
-
-/*
-  receive a composite session setup reply
-*/
-NTSTATUS smb_composite_sesssetup_recv(struct composite_context *c)
-{
-	NTSTATUS status;
-	status = composite_wait(c);
-	talloc_free(c);
-	return status;
-}
-
-/*
-  sync version of smb_composite_sesssetup 
-*/
-NTSTATUS smb_composite_sesssetup(struct smbcli_session *session, struct smb_composite_sesssetup *io)
-{
-	struct composite_context *c = smb_composite_sesssetup_send(session, io);
-	return smb_composite_sesssetup_recv(c);
-}